222220040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27367}}^1$

素因数の和:27414

約数の個数: 64

約数和(自身を含む): 591148800

約数和(自身を除く): 368928760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 27367, 54734, 109468, 136835, 191569, 218936, 273670, 383138, 547340, 766276, 793643, 957845, 1094680, 1532552, 1587286, 1915690, 3174572, 3831380, 3968215, 5555501, 6349144, 7662760, 7936430, 11111002, 15872860, 22222004, 27777505, 31745720, 44444008, 55555010, 111110020, 222220040]

約数ペア:

[(1, 222220040), (2, 111110020), (4, 55555010), (5, 44444008), (7, 31745720), (8, 27777505), (10, 22222004), (14, 15872860), (20, 11111002), (28, 7936430), (29, 7662760), (35, 6349144), (40, 5555501), (56, 3968215), (58, 3831380), (70, 3174572), (116, 1915690), (140, 1587286), (145, 1532552), (203, 1094680), (232, 957845), (280, 793643), (290, 766276), (406, 547340), (580, 383138), (812, 273670), (1015, 218936), (1160, 191569), (1624, 136835), (2030, 109468), (4060, 54734), (8120, 27367)]